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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2210) Table API aggregate by ignoring null values
Date Tue, 16 Jun 2015 03:55:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14587416#comment-14587416

ASF GitHub Bot commented on FLINK-2210:

Github user Shiti commented on the pull request:

    @aljoscha is there a way we can define functions for expressions? I tried replacing Literal(1)
with IsNotNull but I don't know if its possible to define a function that converts Boolean
to Int (1 or 0). 

> Table API aggregate by ignoring null values
> -------------------------------------------
>                 Key: FLINK-2210
>                 URL: https://issues.apache.org/jira/browse/FLINK-2210
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Shiti Saxena
>            Assignee: Shiti Saxena
>            Priority: Minor
> Attempting to aggregate on columns which may have null values results in NullPointerException.

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